312202domain: NAppears in sequencesa(n) = [ (3rd elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {first n+2 primes}.at n=26A024453McKay-Thompson series of class 23A for Monster.at n=41A058570McKay-Thompson series of class 23A for the Monster group with a(0) = 1.at n=41A134781